      html {
        height: 100%;
      }

      body, #box {
        height: 100%;
        display: flex;
        flex-direction: column;
        /* justify-content: space-between; */
      }

      /* box-top */

      #box-top {
        height: 1.333333rem;
        background-color: #f4483e;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: .133333rem;
        box-sizing: border-box;
        text-align: center;
      }

      #box-top .back {
        margin-top: .133333rem;
        text-align: center;
        font-size: .533333rem;
        color: #fff;
      }

      #box-top h4 {
        width: 5.546667rem;
        height: 1.066667rem;
        text-align: center;
        color: #fff;
        font-size: .533333rem;
        line-height: 1.066667rem;
      }

      #box-top .appdl {
        width: 1.28rem;
        height: 1.28rem;
        padding: .186667rem;
      }

      #box-top .appdl img {
        width: .906667rem;
        height: .906667rem;
        vertical-align: middle;
        margin-top: .213333rem;
      }

      /* tip */

      #tip {
        font-family: .32rem;
        color: #999;
        text-align: center;
        margin: .213333rem 0;
      }

      /* carousel */

      .carousel {
        display: flex;
        flex-direction: row;
        width: 10rem;
        height: 17.786667rem;
        background-color: rgba(0, 0, 0, 0.7);
        position: fixed;
        top: -17.786667rem;
        
        opacity: 1;
      }

      .carousel .arr {
        position: absolute;
        height: 2.133333rem;
        width: 1.333333rem;
        background-color: rgba(25, 25, 25, 0.6);
        font-size: 1.333333rem;
        text-align: center;
        line-height: 2.133333rem;
        z-index: 2;
      }

      .carousel .arrLeft {
        right: .8rem;
        bottom: 50%;
        margin-bottom: -1.066667rem;
      }

      .carousel .arrRight {
        left: .8rem;
        bottom: 50%;
        margin-bottom: -1.066667rem;
      }

      .carousel .marskSm {
        width: 5.333333rem;
        height: 5.333333rem;
        /* overflow: hidden; */
        position: absolute;
        left: 2.333333rem;
        bottom: 50%;
        margin-bottom: -2.666667rem;
      }
      .carousel .marskSm .info{
        display: flex;
        flex-direction: row; 
        opacity: 1;
        left: 0;
        position: absolute;
      }
      .carousel .marskSm .info img {
        width: 200px;
        height: 200px;
        z-index: 0;
        /* display: none; */
      }
.active{
  display: block;
}
      /* #product:hover+div{
   background-color: rosybrown;
} */

      .carousel .marskSm span {
        /* display: inline-block; */
        cursor: pointer;
        z-index: 2;
        position: absolute;
        width: .8rem;
        height: .8rem;
        right: 0;
        top: 0;
        left: 170px;
        font-size: .533333rem;
        color: #f1f1f1;
        font-weight: bold;
        font-style: normal;
        background-color: rgba(0, 0, 0, 0.5);
        text-align: center;
        line-height: .8rem;
        z-index: 999;
      }

      /* section product-main */

      #product .info {
        margin-bottom: .266667rem;
      }

      #product li {
        padding: .266667rem .213333rem;
        background-color: #fff;
        /* margin-bottom: .133333rem; */
      }

      #product li .im {
        display: flex;
        flex-direction: row;
      }

      #product li .im .img img {
        width: 2.666667rem;
        height: 2.133333rem;
        padding-right: .266667rem;
      }

      #product li .im .infoR {
        padding-left: 0.36rem;
      }

      #product li .im .infoR>.title h4 {
        color: #333;
        word-break: break-all;
        font-size: .4rem;
        text-overflow: ellipsis;
        line-height: .506667rem;
        min-height: 1.52rem;
        text-align: left;
        font-weight: normal;
      }

      #product li .im .infoR>.down h4 {
        font-size: .48rem;
        margin: .266667rem 0;
      }

      #product li .im .infoR>.down .deadline {
        font-size: .453333rem;
        color: #e70;
      }

      /* more-message */

      #more {
        padding: .266667rem;
        height: .8rem;
        background-color: #f3e7e7;
      }

      #more a {
        text-align: center;
        display: block;
        background-color: #fff;
        line-height: .8rem;
        border-radius: .133333rem;
        font-size: .346667rem;
        border: .026667rem solid #ddd;
        color: #666;
      }

      .chart {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        margin: .266667rem 0 .16rem;
        height: .933333rem;
        background-color: #f90;
      }

      .chart span {
        font-size: .48rem;
        line-height: 1.013333rem;
        color: #fff;
        display: inline-block;
        padding-left: .266667rem;
      }

      .chart span a>img {
        width: .533333rem;
        height: .533333rem;
        vertical-align: middle;
        padding-top: .186667rem;
      }

      /* footer */

      #footer {
        height: 4rem;
      }

      #footer .footer-top {
        height: 0.7rem;
        background-color: #ff841d;
        font-size: 0.5rem;
        line-height: 0.7rem;
        color: #f1f1f1;
        padding-left: 0.3rem;
      }

      #footer .footer-top span {
        float: right;
        padding-right: 0.3rem;
        font-size: 0.4rem;
      }

      #footer .footer-main {
        margin-top: 0.5rem;
        display: flex;
        border-top: 0.0625rem #d4d4d4 solid;
        border-bottom: 0.0625rem #d4d4d4 solid;
        font: 0.4rem/1rem "";
      }

      #footer .footer-main>div {
        padding: 0 1rem 0 1rem;
      }

      #footer .footer-main>div:nth-of-type(2) {
        border-left: 0.026667rem #d4d4d4 solid;
        border-right: 0.026667rem #d4d4d4 solid;
      }

      #footer .footer-main>div>a {
        color: black;
      }

      #footer .footer-main>div>a>span {
        font: 0.5rem/1rem "";
      }

      #footer .footer-bottom {
        box-sizing: border-box;
        padding-top: 0.4rem;
        font: 0.3rem/0.5rem "";
        text-align: center;
      }

      #footer .footer-bottom span {
        color: red;
      }